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Table UDF: SEGV raised when invoking a non existing function #6379

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monetdb-team opened this issue Nov 30, 2020 · 0 comments
Closed

Table UDF: SEGV raised when invoking a non existing function #6379

monetdb-team opened this issue Nov 30, 2020 · 0 comments
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bug Something isn't working normal SQL

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@monetdb-team
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Date: 2017-07-27 19:19:55 +0200
From: Dean De Leo <>
To: SQL devs <>
Version: -- development
CC: @njnes

Last updated: 2017-10-26 14:01:39 +0200

Comment 25505

Date: 2017-07-27 19:19:55 +0200
From: Dean De Leo <>

User-Agent: Mozilla/5.0 (X11; Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.40 Safari/537.36
Build Identifier:

The SQL front-end crashes when a SQL statement contains an invocation to a non existing function

Reproducible: Always

Steps to Reproduce:

See attached repro.

Actual Results:

The SQL frontend attempts to access a null pointer and hits a segmentation fault. See attached stack trace.

Expected Results:

An meaningful error should be raised, possibly not resolving in the crash of the server.

Comment 25506

Date: 2017-07-27 19:20:15 +0200
From: Dean De Leo <>

Created attachment 563
repro.sql

Attached file: repro.sql (application/sql, 129 bytes)
Description: repro.sql

Comment 25507

Date: 2017-07-27 19:20:35 +0200
From: Dean De Leo <>

Created attachment 564
stacktrace.txt

Attached file: stacktrace.txt (text/plain, 3029 bytes)
Description: stacktrace.txt

Comment 25508

Date: 2017-07-27 19:23:33 +0200
From: Dean De Leo <>

Sorry I've forgotten to mention I'm on Linux, developer build at commit:
commit 3eeb3cb
Merge: 076f8e6 fe682d4
Author: Sjoerd Mullender sjoerd@acm.org
Date: Wed Jul 26 14:11:12 2017 +0200

 Merge with Jul2017 branch.

Comment 25515

Date: 2017-07-28 13:10:39 +0200
From: MonetDB Mercurial Repository <>

Changeset 471a91ee613d made by Niels Nes niels@cwi.nl in the MonetDB repo, refers to this bug.

For complete details, see https//devmonetdborg/hg/MonetDB?cmd=changeset;node=471a91ee613d

Changeset description:

fixes for bug #6379

Comment 25516

Date: 2017-07-28 13:11:14 +0200
From: @njnes

fixed, ie protect against missing function (please add the test to the repo)

@monetdb-team monetdb-team added bug Something isn't working normal SQL labels Nov 30, 2020
@sjoerdmullender sjoerdmullender added this to the Ancient Release milestone Feb 7, 2022
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